Thanks for the info, but ..... is_numeric does not appear to accept
variables i.e. is_numeric($num) and ctype gives me the following.
Fatal error: Call to undefined function: ctype_digit() in
/usr/local/apache/htdocs/.............. on line 6
----- Original Message -----
From: "Philip Olson" <[EMAIL PROTECTED]>
To: "Beauford.2002" <[EMAIL PROTECTED]>
Cc: "PHP General" <[EMAIL PROTECTED]>
Sent: Saturday, December 21, 2002 9:50 PM
Subject: Re: [PHP] Forms and PHP variables
> Use is_numeric()
> See also the ctype functions which can
> be read about here:
> And yes, regular expressions are another
> option but aren't needed here.
> Philip Olson
> On Sat, 21 Dec 2002, Beauford.2002 wrote:
> > Hi,
> > First off, thanks to all those that helped out with my other questions.
> > all my problems were solved, but I'm certainly closer. Still working on
> > same project I need to do the following.
> > I have a form where users input numbers only, is there a way I can have
> > check to make sure a letter or other character didn't get put in by
> > accident. I was looking at ereg, but not to familiar with this or if it
> > would work in this case.
> > TIA
> > --
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